Lumos is a library to compare metrics between two datasets, accounting for population differences and invariant features. Lumos is described in this technical [paper](https://arxiv.org/pdf/2006.12793.pdf):
```
@inproceedings{Pool2020,
title="Lumos: A Library for Diagnosing Metric Regressions in Web-Scale Applications",
author="Jamie Pool, Ebrahim Beyrami, Vishak Gopal, Ashkan Aazami, Jayant Gupchup, Jeff Rowland, Binlong Li, Pritesh Kanani, Ross Cutler, Johannes Gehrke",
booktitle="Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining",